/Engine/Source/Editor/DataLayerEditor/Public/DataLayer/DataLayerEditorSubsystem.h
Deprecated* Renaming is not permitted anymore
bool RenameDataLayer ( [UDataLayerInstance](API\Runtime\Engine\WorldPartition\DataLayer\UDataLayerInstance) * DataLayer, const [FName](API\Runtime\Core\UObject\FName) & NewDataLayerLabel )